Don't do the dealer for toys, not much of a selection and too pricey. Just for shits and giggles take a look at the ultimate toy store, just don't get crazy yet there are lots of options.
http://www.expeditionexchange.com/
If you are married, don't tell your wife you got this from me.
Do me a favor and crawl under and look at the fronty drive shaft, specifically the doble cardon set that hooks to the t/case, see if you can see grease fittings on those joints?
Mike